问题 填空题
从方框内选择合适的短语,并用其适当形式完成句子。
used to,  be careful of,  use up, escape from,  be afraid of
1. Boys and girls,_____the traffic.
2. He has_____all the hot water. 
3. The girl_____the dark, and she never goes out alone at night.
4. Mr Liu _____be an English teacher, didn’t he?
5. A tiger_____the city zoo, so everyone in the city was scared.
答案

1. be careful of  2. used up  3. is afraid of

4. used to  5. escaped from

单项选择题 案例分析题
单项选择题